JP2007283383A - Method and device for caulking locking pawl - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a caulking device with which a locking pawls can be surely fixed even on a curved surface of a trim in a method and a device for caulking the locking pawls for mounting a door inner seal, an inserting member or the like by fixing them to a door trim main body with the pawls. <P>SOLUTION: When positioning alternative parts such as the door inner seal 30 to the curved surface 23A of the trim main body 20 and caulking the locking pawls 33, the locking pawls 33 can be surely bent until the pawls are closely adhered on the side of the rear surface of the trim main body 20 about the curved surface 23A of the trim main body 20 by housing the driving shaft 83 which is moved in parallel and also setting a curve-shaped locus of a roller 84 which is different from the moving locus of a driving shaft 83 by providing a curve-shaped guide plate 86 which is made to coincide with the curved surface 23A of the side of the trim main body 20 on the back side of the roller 84. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a locking claw crimping method and a crimping processing device, and in particular, even when the fixing point of the trim main body to which the locking claw is attached is set to a curved surface, the locking claw is accurately bent. The present invention relates to a caulking processing method and a caulking processing device for a locking claw that can be performed.

  FIG. 13 shows an automotive door trim 1 installed on the interior side of a vehicle door panel. The door trim 1 is formed on the surface of a resin core 1a having shape retention and mounting rigidity to a door inner panel. It is constituted by sticking a skin 1b having an excellent surface texture and feel. Furthermore, in order to seal the liftable door window glass 2, a waist flange 3 is set along the upper edge of the door trim 1 described above, and a door inner for sealing the door window glass 2 described above to the waist flange 3 is set. A seal 4 is attached. As shown in the enlarged view of FIG. 13, the door inner seal 4 has a mounting structure in which the locking claw 4a of the door inner seal 4 is inserted into the mounting hole 3a of the waist flange 3, and the locking claw 4a is inserted into the caulking processing device. The door inner seal 4 is fixed to the waist flange 3 of the door trim 1 by bending it approximately 90 ° using the.

  The crimping device 5 for attaching the door inner seal 4 to the door trim 1 bends the pressing mechanism 6 that presses and holds the door inner seal 4 against the door trim 1 and the locking claw 4 a of the door inner seal 4. And a caulking processing unit 7. That is, as shown in FIGS. 14 and 15, after the door inner seal 4 is positioned at a predetermined position with the locking claw 4 a of the door inner seal 4 inserted into the mounting hole 3 a of the waist flange 3, the pressing mechanism 6 Thus, the door inner seal 4 is pressed and held against the waist flange 3, and the cylinder of the crimping unit 7 operates in this state, so that the roller 8 moves in parallel to bend the locking claw 4a. A conventional nail processing method and nail processing apparatus for the door inner seal 4 are described in detail in Patent Document 1.

  Incidentally, recently, as shown in FIG. 16, the curved surface 3 </ b> A may be set so that the mounting surface of the waist flange 3 of the door trim 1 to which the door inner seal 4 is attached matches the curved surface 2 </ b> A of the door window glass 2. Many. In such a case, if the door inner seal 4 is attached to the waist flange 3 of the door trim 1 using the conventional crimping device 5, the roller 8 moves in parallel as shown in FIG. Although the claw 4a is bent, since the movement locus of the roller 8 and the mounting surface shape of the door inner seal 4 are different, the locking claw 4a of the door inner seal 4 is folded only at the position indicated by the two-dot chain line in the figure. I can't process the song.

JP 2001-96323 A

  As described above, when the door inner seal 4 is attached to the waist flange 3 of the door trim 1 using the conventional crimping apparatus 5, as shown in FIG. When the setting is performed, if the locking claw 4a of the door inner seal 4 is bent using the conventional caulking processing device 5, the locking claw 4a becomes the waist flange as shown by a two-dot chain line in FIG. 3 is in a state of being lifted from the back surface of 3, and the actual situation is that the folding claw 4 a cannot be sufficiently bent. Accordingly, it has been pointed out that when the door window glass 2 is moved up and down, the door inner seal 4 rattles and unpleasant noise is generated or excessive stress is applied to prevent smooth operation.

  The present invention has been made in view of such circumstances, and it is possible to securely fix the locking claw of the door inner seal to the curved surface of the waist flange of the door trim. It is an object of the present invention to provide a method for crimping a locking claw and a crimping device capable of attaching a separate part with high accuracy.

  In order to solve the above-mentioned problems, the present invention, when attaching a separate part to the curved surface of the trim body, inserts a locking claw provided in the separate part into a mounting hole formed in the curved surface of the trim body, In the method of caulking the latching claw for crimping the nail and attaching a separate part, the separate part is placed on the curved surface of the trim body, and the latching claw is inserted into the mounting hole of the trim body, and the crimping process is performed. Positioning on the device, pressing a separate part against the trim body with the holding mechanism, moving the drive shaft housed in the long hole of the roller by the expansion and contraction operation of the cylinder in the caulking mechanism, and the curved shape corresponding to the curved surface By moving the roller while being guided by the guide plate formed in the above, the engaging claws of the separate parts are brought into close contact with the back surface of the trim body, and are fixed by bending.

  The caulking device used in the method of the present invention includes a holding mechanism that presses and holds a separate part against the located trim body, and a caulking mechanism that bends the locking claw inserted into the mounting hole of the trim body. The caulking mechanism has a long hole formed in the roller that bends the locking claw, a guide plate that curves following the curved surface of the trim body, and the roller when the drive shaft moves in parallel. Is movable in a direction inclined with respect to the moving direction of the drive shaft while being guided by the guide plate.

  Here, in the caulking processing device, both sides of the unit casing of the caulking processing unit are supported by support plates, and a pressing mechanism is disposed on the upper surface of the unit casing with a predetermined interval. The pressing mechanism is composed of a pressing plate that presses another part against the trim body, and a cylinder such as an air cylinder or a hydraulic cylinder that moves the pressing plate forward. Next, as a caulking mechanism that bends the locking claws inserted in the mounting holes of the trim body, the movable block moves in parallel by driving the cylinder, and the drive shaft provided in the movable block is the hole of the roller. As the drive shaft moves in parallel, the roller bends the locking claw. Furthermore, in the place where the separate component mounting surface of the trim body is set to a curved surface, a long hole is set in the roller, and a curved guide that matches the curved surface of the trim body is provided on the back side of the roller. Plate is set. Therefore, if the drive shaft moves in parallel by cylinder driving in the caulking processing unit, the drive shaft is accommodated in the long hole of the roller, and the inclined guide plate is positioned on the back side of the roller. Therefore, the roller can be reliably bent to the final position where the locking claw is brought into close contact with the back surface of the trim body while being guided by the guide plate with respect to the movement locus of the drive shaft.

  As described above, according to the locking claw caulking method and the caulking processing device according to the present invention, the separate parts such as the door inner seal, the intermediate member, and the speaker grill are fixed to the curved surface of the trim body by the claw fixing method. At the same time, the locking claws of the separate parts are inserted into the mounting holes of the trim body, and both are joined and held by the pressing mechanism. Since a long hole that accommodates the shaft is set, and a curved guide plate that matches the curved surface of the trim body is set on the back side of the roller, even if the drive shaft is translated by cylinder driving, While the roller is guided by the guide plate, the roller can be bent along a trajectory different from the movement trajectory of the drive shaft until the locking claw comes into close contact with the back surface of the trim body. Therefore, since it is expected that the latching claw is reliably bent even at the curved surface portion of the trim body, it is possible to securely and firmly fix the separate parts without rattling.

  As described above, according to the locking claw caulking method and the caulking processing device according to the present invention, the drive shaft is accommodated in the roller in the caulking processing device in the portion set to the curved surface shape of the trim body. A curved guide plate that has a long hole and matches the curved surface of the trim body is set on the back side of the roller. Even if the drive shaft of the roller moves in parallel, the roller moves in the direction of movement of the drive shaft by the guide plate. Since it can be bent until it is guided in an inclined direction and the locking claw is in close contact with the rear surface of the trim body, the curved surface of the trim body, which has been impossible to reliably bend, The locking claw can be securely bent and separated, such as the door inner seal, centering member, speaker grill, etc. Kukoto an effect that no can reliably and rigidly attached to.

  The locking claw crimping method and the crimping processing apparatus according to the present invention will be described below by applying to the door inner seal attached to the door trim and the crimping method of the inscribed member. Note that the gist of the present invention is as described in the scope of claims, and the contents of the embodiments described below are merely examples of the present invention.

  FIGS. 1 to 9 show a first embodiment of the present invention. In this first embodiment, a form in which a door inner seal is attached to a door trim body by caulking is shown. 1 is a front view showing the door trim, FIG. 2 is a cross-sectional view showing the structure of the door trim, FIGS. 3 and 4 are explanatory views showing the fixing structure of the door inner seal for attaching the door inner seal to the door trim, FIG. FIG. 6 is a front view and a side view showing a caulking apparatus for attaching a door inner seal to a door trim, FIG. 7 is an explanatory view showing a main part of a caulking mechanism portion in the caulking apparatus, and FIGS. 8 and 9 are caulking apparatuses. It is process explanatory drawing which shows the crimping processing method of the latching nail | claw by.

  1 and 2, a door trim 10 attached to a room inner surface side of a door inner panel (not shown) includes a door inner seal 30, an intermediate member 40, a speaker grill 50, and the like attached to appropriate portions of the surface of the door trim main body 20. It is configured with different parts attached.

  More specifically, the door trim main body 20 gives a good touch feeling to the surface of the resin core material 21 having shape retention and mounting rigidity with respect to the door inner panel, and a skin 22 excellent in appearance performance is attached. It is configured. Examples of the resin core material 21 include polyethylene resins, polypropylene resins, polystyrene resins, polyethylene terephthalate resins, polyvinyl alcohol resins, vinyl chloride resins, polyamide resins, polyacetal resins, polycarbonate resins, ionomer resins, A general-purpose thermoplastic resin such as acrylonitrile / butadiene / styrene (ABS) resin may be used and molded into a required shape by an injection molding method, a mold press molding method, or the like. Moreover, after heat-softening the sheet-shaped resin plate, the thermoplastic composite resin plate mixed with reinforcing fibers, fillers, and the like, it can be formed into a required shape by cold press molding. Further, the skin 22 can be integrally formed when the resin core material 21 is injection-molded, mold press-molded, or cold press-molded, and the resin core material 21 is formed by using vacuum forming or the like in a separate process. It may be integrated on the surface side.

  And in this door trim 10, in order to attach the door inner seal 30, the upper end edge of the door trim main body 20 is bent downward, and the waist flange 23 is formed. The shape of the waist flange 23 is set so as to be substantially parallel to the door window glass 2, and the door inner seal 30 is fixed to the waist flange 23. As shown in FIG. 3, the door inner seal 30 is configured such that a metal core 32 is inserted into a plate-shaped seal body 31 made of a thermoplastic elastomer resin such as soft vinyl chloride or thermoplastic olefin. The metal core 32 is formed with locking claws 33 that are inserted into the mounting holes 24 of the waist flange 23 of the door trim body 20 and bent and fixed at predetermined pitch intervals. Furthermore, a lip strip 34 is provided on the side of the seal body 31 facing the door window glass 2. Therefore, as shown in the drawing, when the locking claw 33 is inserted into the mounting hole 24 of the waist flange 23 in the door trim main body 20 and then the locking claw 33 is bent by caulking to fix the claw, the door inner seal 30 is obtained. Can be securely and firmly attached to the waist flange 23 of the door trim body 20.

  By the way, in the present invention, when the door inner seal 30 is attached to the waist flange 23 of the door trim main body 20 by a caulking method, the door trim main body 20 corresponds to the curved surface 2A of the door window glass 2 as shown in FIG. To provide a caulking processing method and a caulking processing apparatus capable of securely and firmly fixing a locking claw 33 on a door inner seal 30 even at a portion where a waist flange 23 of the door is set on a curved surface 23A. Is an issue.

  First, the structure of the crimping apparatus 60 is demonstrated based on FIG. 5 thru | or FIG. In the caulking processing device 60, a unit casing 62 is supported on the upper surface of a support base 61 by a support plate 63, and support leg pieces 61 a and casters 61 b are attached to the support base 61, and can be transported to arbitrary places. At the same time, it can be securely fixed at a predetermined position. In the caulking processing device 60, the pressing mechanism 70 is provided on the upper surface of the unit casing 62, and the caulking mechanism 80 is built in the unit casing 62. More specifically, in the pressing mechanism 70, a disk-shaped pressing plate 71 is attached to the piston rod 72a of the advancing / retreating cylinder 72, and the advancing / retreating cylinder 72 moves back and forth in the direction of the arrow in FIG. Is similarly advanced and retracted, and has a function of pressing and holding the door inner seal 30 against the waist flange 23 of the door trim body 20.

  Further, in the caulking mechanism 80, the cylinder 81 performs an expansion / contraction operation in the direction of the arrow in FIG. And the drive shaft 83 supported by this movable plate 82 is accommodated in the long hole 85 of the roller 84 (refer FIG. 7). Further, a curved guide plate 86 equal to the curved surface 23 </ b> A of the waist flange 23 is provided on the back side of the roller 84. This guide plate 86 regulates the movement trajectory of the roller 84.

  The operation of the caulking mechanism 80 in the caulking processing device 60 according to the present invention is as follows. The movable plate 82 reciprocates due to the expansion and contraction of the cylinder 81, and the drive shaft 83 translates along the line indicated by the arrow A in FIG. However, since the drive shaft 83 is accommodated in the elongated hole 85 of the roller 84, and the inclined guide plate 86 is provided on the back side of the roller 84, the roller 84 is provided with the guide plate 86. , It moves in an inclined manner along the line indicated by the arrow B, which is inclined with respect to the line indicated by the arrow A.

  Accordingly, when the curved surface 23A is formed on the waist flange 23 of the door trim body 20 so as to correspond to the curved surface 2A (shown in FIG. 4) of the door window glass 2, the curvature of the waist flange 23 is performed as follows. The door inner seal 30 is fixed to the surface 23A. That is, first, the door trim main body 20 and the door inner seal 30 are temporarily assembled, and the door trim main body 20 and the door inner seal 30 are positioned on the crimping device 60 as shown in FIG. Then, the pressing mechanism 70 is operated, and the pressing plate 71 presses the door inner seal 30 against the waist flange 23 in the door trim main body 20 by the extending operation of the advancing / retreating cylinder 72 to hold both.

  In this state, the caulking mechanism 80 is driven. Here, the state of the roller 84 before caulking is shown in FIG. 8, and the state after caulking is shown in FIG. 9, the drive shaft 83 is accommodated in the long hole 85 of the roller 84, and the roller 84 is guided by the guide plate 86. Move while being guided by. Therefore, as shown in FIGS. 8 and 9, even if the drive shaft 83 is translated along the line indicated by the arrow A, the roller 84 is inclined with respect to the movement locus of the drive shaft 83 (line indicated by the arrow A). Since it moves along the direction (line indicated by the arrow B), the locking claw 33 of the door inner seal 30 can be bent at an angle deeper than 90 °, and the curved surface 23A of the waist flange 23 can also be bent. The locking claw 33 of the door inner seal 30 can be securely bent until it comes into close contact with the back surface of the waist flange 23, and the door inner seal 30 rattles when the door window glass 2 is raised or lowered. It does not occur and the sliding resistance does not increase, and a smooth lifting operation can be expected.

  FIGS. 10 to 12 show a second embodiment of the present invention. FIG. 10 is a schematic view showing the attachment of the center member and speaker grille to the door trim body in the door trim, and FIG. Sectional drawing which shows the attachment structure of a member, FIG. 12 is explanatory drawing which shows the caulking process process of the latching claw in a centering member.

  As shown in FIG. 10, the intermediate member 40 and the speaker grill 50 are fixed to a predetermined position of the door trim main body 20 in the door trim 10 by a claw fixing method. As shown in FIG. 11, the intermediate member 40 is formed by laminating an intermediate pad material 42 made of a resin foam molding such as polyurethane foam on the surface of a metal intermediate core material 41, and polyester cloth on the surface. And the like, and the outer periphery of the door trim main body 20 is encapsulated by an outer skin 43 having a different appearance, and the peripheral edge portion of the intermediate skin 43 is wound around the back surface of the peripheral edge of the intermediate core 41. It is glued. A locking claw 44 is formed by cutting and raising the centering core material 41. The locking claw 44 is inserted into the mounting hole 25 provided at the corresponding position of the door trim main body 20, and is caulked. The intermediate member 40 is attached to the door trim main body 20 by processing. Hereinafter, although the caulking process method of the inscribed member 40 will be described, the work procedure for attaching the speaker grille 50 to the door trim main body 20 is also the same (the caulking process is performed after the locking claw 51 is inserted into the attachment hole 25). Description of the caulking process method of the speaker grill 50 is omitted.

  Also in the second embodiment, as shown in an enlarged view in FIG. 11, the peripheral portion of the inscribed member 40 is set to be slightly inclined rather than a flat surface, and the engaging claw 44 of the inscribed member 40 It is necessary to perform bending at a bending angle exceeding 90 °. Therefore, the caulking processing device 60 used in the first embodiment can be used effectively. That is, the centering member 40 is positioned at a predetermined position of the door trim main body 20 and set in the crimping device 60 in a state where the locking claw 44 of the centering member 40 is inserted into the mounting hole 25 of the door trim main body 20. 70, when the caulking mechanism 80 is driven, as shown in FIG. 12, the drive shaft 83 is accommodated in the long hole 85 of the roller 84, and the guide plate 86 is disposed on the back side of the roller 84 in an inclined manner. Therefore, the roller 84 moves in a direction (line indicated by the arrow B) inclined with respect to the movement locus (line indicated by the arrow A) of the drive shaft 83. The locking claw 44 of the member 40 can be crimped at a bending angle of 90 ° or more.

  As described above, also in the second embodiment of the present invention, when the intermediate member 40 is attached to the curved surface portion of the door trim body 20, the locking claw 44 can be accurately crimped.

  In the first and second embodiments, the method of caulking the locking claws 33 and 44 in the door inner seal 30 and the intermediate member 40 has been described. However, the method can also be applied to the speaker grille 50, and the locking claws are bent. As long as it is a component that can be caulked and fixed, it can be applied to the entire nail fixing method regardless of the application. Further, in the method of the present invention, a mode in which the separate parts 30, 40 are securely attached to the curved surface 23A of the trim body 20 by bending the locking claws at a bending angle of 90 ° or more on the curved surface or the inclined surface. As shown, for example, even when the bending angle of the locking claw is set to less than 90 ° (the curved surface is set in the reverse direction), the trim back surface and the roller interfere with each other in the conventional structure and caulking is performed. However, if the method of the present invention is used, the trajectory of the roller can be adjusted, so that interference can be avoided, and the locking claw caulking method in which a bending angle of less than 90 ° is forced is also effective. Can be applied.

It is a front view which shows the door trim manufactured by applying the method of this invention. It is the II-II sectional view taken on the line in FIG. It is explanatory drawing which shows the attachment method of the door inner seal in the door trim shown in FIG. It is explanatory drawing which shows the attachment structure of the door inner seal in the curved waist flange surface in the door inner seal attachment part in the door trim shown in FIG. It is a front view which shows the crimping processing apparatus of the latching claw concerning this invention. It is a side view of the crimping processing apparatus shown in FIG. It is explanatory drawing which shows the structure of the crimping mechanism in the crimping processing apparatus shown in FIG. It is explanatory drawing which shows operation | movement of the crimping mechanism shown in FIG. It is explanatory drawing which shows operation | movement of the crimping mechanism shown in FIG. The 2nd Example of the method of this invention is shown, and it is explanatory drawing which shows the aspect which each attaches a contact member and a speaker grille to a door trim main body. It is explanatory drawing which shows the attachment structure of the inscribed member in the door trim shown in FIG. It is explanatory drawing which shows the caulking process method of the inscribed member shown in FIG. It is explanatory drawing which shows the structure of the conventional door trim. It is explanatory drawing which shows the conventional crimping apparatus. It is explanatory drawing which shows the structure of the conventional crimping apparatus. It is a top view which shows the structure of the door trim which has the conventional curved surface. It is explanatory drawing which shows the structure of the crimping process part in the conventional crimping apparatus.

Explanation of symbols

DESCRIPTION OF SYMBOLS 2 Door window glass 2A Curved surface 10 Door trim 20 Door trim main body 21 Resin core material 22 Skin 23 Waist flange 23A Curved surface 24 Mounting hole 25 Mounting hole 30 Door inner seal 32 Metal core metal 33 Locking claw 40 Centering member 41 For centering Core material 44 Locking claw 50 Speaker grill 60 Caulking device 61 Support base 62 Unit casing 63 Support plate 70 Pressing mechanism 71 Pressing board 72 Advancing and retracting cylinder 80 Caulking mechanism 81 Cylinder 82 Movable plate 83 Drive shaft 84 Roller 85 Long hole 86 Guide plate

Claims (2)

When attaching the separate parts (30, 40) to the curved surface (23A) of the trim body (20), the locking claws (33, 44) provided on the separate parts (30, 40) are attached to the curved surface of the trim body (20). In the caulking method of the locking claw, which is inserted into the mounting holes (24, 25) established in (23A), caulking the locking claws (33, 44), and attaching the separate part (30).
A separate part (30) is superimposed on the curved surface (23A) of the trim body (20), and the locking claws (33, 44) are inserted into the mounting holes (24, 25) of the trim body (20). Positioning to the crimping device (60), pressing the separate parts (30, 40) against the trim body (20) with the pressing mechanism (70), and by the expansion and contraction of the cylinder (81) in the crimping mechanism (80), The drive shaft (83) accommodated in the long hole (35) of the roller (84) is moved, and the roller (84) while being guided by the guide plate (86) formed into a curved shape corresponding to the curved surface (23A). ) Is moved, and the locking claws (33, 44) of the separate parts (30, 40) are brought into close contact with the back surface of the trim body (20) and are fixed by bending. Method. The separate parts (30, 40) are overlapped on the curved surface (23A) of the trim body (20), and the locking claws (33, 44) of the separate parts (30, 40) are crimped to form the trim body (20). In the caulking processing device for the locking claw for attaching the separate parts (30, 40) to the curved surface (23A),
The crimping device (60) includes a pressing mechanism (70) for pressing and holding separate parts (30, 40) against the located trim body (20), and mounting holes (24, 25) for the trim body (20). ) And the crimping mechanism (80) for bending the latching claws (33, 44) inserted into the latching claw (33, 44). The crimping mechanism (80) is a roller (84) for folding the latching claws (33, 44). Is provided with a guide plate (86) that is curved to follow the curved surface (23A) of the trim body (20). When the drive shaft (83) moves in parallel, a roller ( 84. A locking claw crimping apparatus characterized in that 84) moves in a direction inclined with respect to the moving direction of the drive shaft (83) while being guided by the guide plate (86).

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